Elements,Compounds and Mixtures MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Elements,Compounds and Mixtures, a fundamental topic in the field of Chemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Elements,Compounds and Mixtures MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Elements,Compounds and Mixtures mcq questions that explore various aspects of Elements,Compounds and Mixtures problems. Each MCQ is crafted to challenge your understanding of Elements,Compounds and Mixtures principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Chemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Elements,Compounds and Mixtures MCQs are your pathway to success in mastering this essential Chemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Elements,Compounds and Mixtures. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Elements,Compounds and Mixtures knowledge to the test? Let's get started with our carefully curated MCQs!

Elements,Compounds and Mixtures MCQs | Page 33 of 74

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Q321.
When a Group II nitrate is heated, toxic NOโ‚‚ can be seen as
Discuss
Answer: (b).brown fumes
Q322.
Upon thermal decomposition, Ca(NOโ‚ƒ)โ‚‚ decomposes into
Discuss
Answer: (b).NOโ‚‚
Q323.
NOโ‚‚ toxic fumes are produced as a result of thermal decomposition of nitrates. This NOโ‚‚ is
Discuss
Answer: (c).Nitrogen (IV) oxide
Q324.
The temperature at which thermal decomposition of metal nitrates (e.g. Ca(NO)โ‚ƒ) of Group-II takes place,
Discuss
Answer: (b).increases down the group
Q325.
The main product of calcium carbonate is
Discuss
Answer: (d).limestone
Q326.
One of the forms of calcium carbonate which is used to make expensive decoration tiles is
Discuss
Answer: (c).marble
Q327.
The melting point of Magnesium Oxide is higher than
Discuss
Answer: (b).2800 °C
Q328.
Kilns and furnaces are lined by magnesium oxide because of its high
Discuss
Answer: (b).melting point
Q329.
Farmers raise the pH of acidic soil by using
Discuss
Answer: (b).slake lime
Q330.
Concrete sets when arranged with iron rods passes through it, improves it
Discuss
Answer: (a).strength